Mathematics
Senior High
Solved
合ってるか見てほしいです!
(1)(7+31)+(3-41) = (7+3)+(3-4);
= 10-1
(2) (5-1)-(3+2;) = (5-3)+(-1-2) í
こ
=2-31
(3) (2-1)-(5-2) = (2-5)+(-1+2)/
-3+1
(4.) (1+4)+(4+3;) + (7-2;) = (1+4+7) + (4+3-2);
=12+51
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了解です!
ありがとうございます!